NVIDIA GeForce GT 120M Mac Edition vs NVIDIA GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 256MB VRAM GeForce GT 120M Mac Edition and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 120M Mac Edition 's Advantages
Lower TDP (14W vs 50W)
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Released 4 years and 4 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (80.00GB/s vs 25.34GB/s)
352 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 120M Mac Edition
0.08 TFLOPS
GeForce GTX 660M Mac Edition
+812%
0.73 TFLOPS
Graphics Card
Dec 2008
Release Date
Apr 2013
GeForce 100M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
792 MHz
Memory Clock
1250 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
25.34GB/s
Bandwidth
80.00GB/s
Render Config
-
-
-
4
SM Count
-
32
Shading Units
384
16
TMUs
32
8
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
32 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
7.600 GPixel/s
8.000 GTexel/s
Texture Rate
30.40 GTexel/s
-
-
-
80.00 GFLOPS
FP32 (float)
729.6 GFLOPS
-
FP64 (double)
30.40 GFLOPS
Board Design
14W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
G96C
GPU Name
GK107
-
-
-
Tesla
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.314 billion
Transistors
1.27 billion
121 mm²
Die Size
118 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.1
CUDA
3.0
4.0
Shader Model
5.1
